CN212896540U - Quick connector of excavator - Google Patents

Abstract

The utility model relates to the technical field of excavators, and discloses a quick connector of an excavator, which comprises a shell; the top of the shell is fixedly connected with an upper shaft; a grapple shaft positioned outside the upper shaft is fixedly connected inside the shell; a metal grapple is movably sleeved in the middle of the grapple shaft; two ends of the metal grapple respectively extend to the upper part and the lower part of the shell; the inside of casing is provided with coupling mechanism. The utility model discloses a set up coupling mechanism in the casing, utilize coupling mechanism to cushion the anti-seismic force of during operation, realize buffering absorbing effect, avoid the emergence of rigid loss, improved this quick connector's life, simple structure, easy dismounting need not to use hydraulic cylinder, has reduced use cost, convenient to popularize and use.

Description

Quick connector of excavator

Technical Field

The utility model relates to an excavator technical field specifically is an excavator quick connector.

Background

During construction, an excavator is generally used for engineering operation, tool configuration parts such as a bucket, a breaking hammer and a hydraulic shear of the excavator are directly connected with a connecting rod and a small arm of the excavator, single operation can be only performed, technicians adopt a quick connector for connection in order to expand the use range of the excavator, the quick connector of the excavator, also called a quick connector, can be used for rapidly installing and switching various tool configuration parts on the excavator, the use range of the excavator can be expanded, time is saved, and work efficiency is improved.

Excavator high-speed joint ware divide into fluid pressure type and mechanical type, and present mechanical type high-speed joint ware does not possess buffering shock attenuation effect mostly, and the anti-seismic force during the use is great, produces hard loss easily, and life is lower, and fluid pressure type high-speed joint ware's structure is complicated, and hydraulic cylinder's use cost is higher, is not convenient for use widely, for this reason, we propose an excavator high-speed joint ware.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problems in the prior art, an aspect of the present invention is to provide a quick connector for an excavator.

In order to achieve the above object, the utility model provides an excavator quick connector, which comprises a shell;

the top of the shell is fixedly connected with an upper shaft;

a grapple shaft positioned outside the upper shaft is fixedly connected inside the shell;

a metal grapple is movably sleeved in the middle of the grapple shaft;

two ends of the metal grapple respectively extend to the upper part and the lower part of the shell;

the inside of casing is provided with coupling mechanism.

Preferably, coupling mechanism is including quantity is two fixed axles, two the fixed axle is located the below of two upper portion axles respectively, one the fixed axle is with metal grapple activity joint, another the both ends of fixed axle and the inner wall fixed connection of casing, two one side fixedly connected with stationary blade that the fixed axle is close to each other, two the pole and the sleeve pipe are gone up to one side fixedly connected with respectively that the stationary blade is close to each other, the other end and the sleeve pipe activity of interior pole are cup jointed, two fixedly connected with spring between the stationary blade, spring activity suit is in interior pole and sheathed tube periphery.

Preferably, the inner rod is fixedly connected with a limiting block at one end inside the sleeve, the outer surface of the limiting block is in contact with and movably connected with the inner wall of the sleeve, and the outer diameter of the limiting block is larger than the caliber of the opening of the sleeve.

Preferably, a safety block is arranged on one side, far away from the metal grapple, in the shell, and one end of the safety block is fixedly connected with the middle of the adjacent fixed shaft.

Preferably, the housing is formed by two stainless steel plates, and two ends of the upper shaft are respectively fixedly connected with the two stainless steel plates.

Compared with the prior art, the utility model provides an excavator quick connector has following beneficial effect:

the utility model discloses a set up coupling mechanism in the casing, utilize coupling mechanism to cushion the anti-seismic force of during operation, realize buffering absorbing effect, avoid the emergence of rigid loss, improved this quick connector's life, simple structure, easy dismounting need not to use hydraulic cylinder, has reduced use cost, convenient to popularize and use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic structural diagram of the connection mechanism in fig. 2 according to the present invention.

In the figure: 1. a housing; 2. an upper shaft; 3. a grappling shaft; 4. a metal grapple; 5. a connecting mechanism; 51. a fixed shaft; 52. a fixing sheet; 53. an inner rod; 54. a sleeve; 55. a spring; 6. and a safety block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

Referring to fig. 1-3, a quick connector for an excavator includes a housing 1; the top of the shell 1 is fixedly connected with an upper shaft 2, the shell 1 is composed of two stainless steel plates, two ends of the upper shaft 2 are fixedly connected with the two stainless steel plates respectively, the overall quality of the shell 1 is improved by the design of the stainless steel plates, the two upper shafts 2 are symmetrically distributed on two sides of the top of the shell 1, and the upper shafts 2 are connected with the front end of the excavator;

a grapple shaft 3 positioned outside the upper shaft 2 is fixedly connected inside the shell 1; a metal grapple 4 is movably sleeved in the middle of the grapple shaft 3; the two ends of the metal grapple 4 respectively extend to the upper part and the lower part of the shell 1, one end of the metal grapple 4, which is positioned above the shell 1, is connected with a driving device at the front end of the excavator and is used for driving the metal grapple 4 to rotate along the grapple shaft 3, the structure is simple, and the disassembly, assembly and use are convenient;

the connecting mechanism 5 is arranged in the shell 1, the connecting mechanism 5 comprises two fixed shafts 51, the two fixed shafts 51 are respectively positioned below the two upper shafts 2, one fixed shaft 51 is movably clamped with the metal grab hook 4, two ends of the other fixed shaft 51 are fixedly connected with the inner wall of the shell 1, one sides of the two fixed shafts 51 close to each other are fixedly connected with fixed plates 52, one sides of the two fixed plates 52 close to each other are respectively fixedly connected with an inner rod 53 and a sleeve 54, the other end of the inner rod 53 is movably sleeved with the sleeve 54, a spring 55 is fixedly connected between the two fixed plates 52, the spring 55 is movably sleeved on the peripheries of the inner rod 53 and the sleeve 54, when the connecting mechanism works, the metal grab hook 4 drives one fixed shaft 51 to push the inner rod 53, the other end of the inner rod 53 extends towards the inside of the sleeve 54, the distance between the two fixed, spring 55 can be used to replace traditional threaded connection, carries out quick installation, and spring 55 is extruded when using simultaneously and produces slight deformation (does not influence its characteristic similar to rigidity), utilizes spring 55 to take place the produced reverse effort of elastic deformation, realizes the buffering to the anti-seismic force, avoids the emergence of rigid loss, has improved this quick connector's life, need not to use hydraulic cylinder, has reduced use cost, convenient to popularize and use.

The inner rod 53 is located at the one end fixedly connected with limiting block inside the sleeve 54, the outer surface of the limiting block is in contact with and movably connected with the inner wall of the sleeve 54, the outer diameter of the limiting block is larger than the caliber of the opening of the sleeve 54, the limiting block is arranged, so that the inner rod 53 is connected with the sleeve 54 more closely, and the use stability of the connecting mechanism 5 is improved.

The inside one side of keeping away from metal grapple 4 of casing 1 is provided with safety block 6, and the one end of safety block 6 and the middle part fixed connection of adjacent fixed axle 51, safety block 6 are conventional safety gear round pin, and safety block 6 and casing 1's inner wall fixed connection for to the reinforcement of fixed axle 51, avoid the fixed axle 51 unexpected not hard up, avoid the emergence of potential safety hazard, improved the safety in utilization of this quick connector.

Those not described in detail in this specification are within the skill of the art.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims (5)

1. The utility model provides an excavator quick connector which characterized in that:

comprises a shell (1);

the top of the shell (1) is fixedly connected with an upper shaft (2);

a grab hook shaft (3) positioned outside the upper shaft (2) is fixedly connected inside the shell (1);

a metal grab hook (4) is movably sleeved in the middle of the grab hook shaft (3);

two ends of the metal grapple (4) respectively extend to the upper part and the lower part of the shell (1);

the inside of casing (1) is provided with coupling mechanism (5).

2. The excavator quick connector of claim 1 wherein: coupling mechanism (5) are fixed axle (51) two, two including quantity fixed axle (51) are located the below of two upper portion axles (2) respectively, one fixed axle (51) and metal grapple (4) activity joint, another the both ends of fixed axle (51) and the inner wall fixed connection of casing (1), two one side fixedly connected with stationary blade (52), two that fixed axle (51) are close to each other one side fixedly connected with interior pole (53) and sleeve pipe (54) respectively that stationary blade (52) are close to each other, the other end and the sleeve pipe (54) activity of interior pole (53) cup joint, two fixedly connected with spring (55) between stationary blade (52), the periphery of pole (53) and sleeve pipe (54) is gone into in spring (55) activity suit.

3. The excavator quick connector of claim 2 wherein: the inner rod (53) is located at one end inside the sleeve (54) and is fixedly connected with a limiting block, the outer surface of the limiting block is in contact with and movably connected with the inner wall of the sleeve (54), and the outer diameter of the limiting block is larger than the caliber of the opening of the sleeve (54).

4. The excavator quick connector of claim 1 wherein: one side of the interior of the shell (1), which is far away from the metal grapple (4), is provided with a safety block (6), and one end of the safety block (6) is fixedly connected with the middle part of the adjacent fixed shaft (51).

5. The excavator quick connector of claim 1 wherein: the shell (1) is composed of two stainless steel plates, and two ends of the upper shaft (2) are fixedly connected with the two stainless steel plates respectively.

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